refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/micromark/lib/parse.d.ts

@@ -0,0 +1,10 @@
+/**
+ * @param {ParseOptions | null | undefined} [options]
+ *   Configuration (optional).
+ * @returns {ParseContext}
+ *   Parser.
+ */
+export function parse(options?: ParseOptions | null | undefined): ParseContext;
+import type { ParseOptions } from 'micromark-util-types';
+import type { ParseContext } from 'micromark-util-types';
+//# sourceMappingURL=parse.d.ts.map